284864506 has 16 divisors (see below), whose sum is σ = 450376200. Its totient is φ = 134924608.

The previous prime is 284864431. The next prime is 284864521. The reversal of 284864506 is 605468482.

It can be written as a sum of positive squares in 4 ways, for example, as 240095025 + 44769481 = 15495^2 + 6691^2 .

It is a super-2 number, since 2×284864506² = 162295573557248072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43261 + ... + 49408.

Almost surely, 2^284864506 is an apocalyptic number.

284864506 is a deficient number, since it is larger than the sum of its proper divisors (165511694).

284864506 is a wasteful number, since it uses less digits than its factorization.

284864506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92753.

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 284864506 is about 16877.9295531176. The cubic root of 284864506 is about 657.9801316975.

The spelling of 284864506 in words is "two hundred eighty-four million, eight hundred sixty-four thousand, five hundred six".